Weather Alert in Hawaii

Recent Locations: Morrisonville, IL   Sumner, IL   Kōloa, HI  
Current Alerts for Kōloa, HI: High Surf Advisory

High Surf Advisory issued August 10 at 5:18PM HST until August 11 at 6:00PM HST by NWS Honolulu HI

AREAS AFFECTED: Niihau; Kauai Southwest; Waianae Coast; Kahoolawe; Maui Leeward West; Kona; Kohala; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Molokai Southeast; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast

DESCRIPTION: ...HIGH SURF ADVISORY REMAINS IN EFFECT FOR SOUTH FACING SHORES OF ALL HAWAIIAN ISLANDS THROUGH MONDAY... The ongoing south swell has peaked and will gradually subside as it produces advisory level surf along south facing shores through Monday. * WHAT...Large breaking waves of 8 to 12 feet this afternoon decreasing to 7 to 10 feet by Monday. * WHERE...South facing shores of all Hawaiian Islands. * WHEN...Until 6 PM HST Monday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous. Flooding of beaches that are normally dry, minor coastal erosion, and saltwater inundation. * ADDITIONAL DETAILS...

INSTRUCTION: Heed all advice from ocean safety officials. When in doubt, don't go out.

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Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

Altocumulus Clouds Next Topic: Altostratus Clouds

Similar to cirrocumulus clouds, altocumulus clouds are characterized by cloud patches. They are distinguished by larger cloudlets than cirrocumulus clouds but are still smaller than stratocumulus clouds.

Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km) and may resemble, at times, the shape of a flying saucer. These uncommon formations, called altocumulus lenticularis, are created by uplift in the atmosphere and are most often seen in close proximity to mountains.

Next Topic: Altostratus Clouds

Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Cirrocumulus Clouds Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

Next Topic: Cirrostratus Clouds

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